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Move some key maps from std::map to DenseMap. This improves the time to optimize Anton's testcase from 17.5s

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to 15.7s.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@38480 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2007-07-10 00:27:22 +00:00
parent a05a81b10a
commit 81c2a6ecbb
1 changed files with 8 additions and 4 deletions
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10
lib/Transforms/Scalar/GVNPRE.cpp
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@ -556,6 +556,10 @@ class ValueNumberedSet {
BitVector numbers; BitVector numbers;
public: public:
ValueNumberedSet() { numbers.resize(1); } ValueNumberedSet() { numbers.resize(1); }
ValueNumberedSet(const ValueNumberedSet& other) {
numbers = other.numbers;
contents = other.contents;
}
typedef SmallPtrSet<Value*, 8>::iterator iterator; typedef SmallPtrSet<Value*, 8>::iterator iterator;
@ -614,9 +618,9 @@ namespace {
ValueTable VN; ValueTable VN;
std::vector<Instruction*> createdExpressions; std::vector<Instruction*> createdExpressions;
std::map<BasicBlock*, ValueNumberedSet> availableOut; DenseMap<BasicBlock*, ValueNumberedSet> availableOut;
std::map<BasicBlock*, ValueNumberedSet> anticipatedIn; DenseMap<BasicBlock*, ValueNumberedSet> anticipatedIn;
std::map<BasicBlock*, ValueNumberedSet> generatedPhis; DenseMap<BasicBlock*, ValueNumberedSet> generatedPhis;
// This transformation requires dominator postdominator info // This transformation requires dominator postdominator info
virtual void getAnalysisUsage(AnalysisUsage &AU) const { virtual void getAnalysisUsage(AnalysisUsage &AU) const {